Finding the Fourth Proportional to 5,271.30, 7,280.52 and 3,499.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,271.30 : 7,280.52 = 3,499.83 : x
2. Step 2: Convert to fraction form
   5,271.30/7,280.52 = 3,499.83/x
3. Step 3: Cross multiply
   5,271.30x = 7,280.52 × 3,499.83
4. Step 4: Simplify right side
   5,271.30x = 25,480,582.31
5. Step 5: Solve for x
   x = 25,480,582.31/5,271.30
6. Step 6: Final answer
   x = 4,833.83